Microcom 814M Operators Manual - Manual (Page 6)

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6 Interface Signal...................................................................... Page 33
6.1 RS-232 Interface........................................................................................... 33
6.1.1 Parameter ............................................................................................... 33
6.1.2 RS-232 Serial Interface Signals.............................................................. 34
6.2 IEEE 1284 Parallel Interface (optional)......................................................... 34
6.2.1 Parameters ............................................................................................. 34
6.2.2 Parallel Interface Printer Status (/FAULT pin and PE pin) ...................... 34
6.2.3 Parallel Interface Signals ........................................................................ 35
6.2.4 Time Sequence of Data Receiving ......................................................... 36
6.3 USB Interface (optional) ............................................................................... 36
6.3.1 Power Interface....................................................................................... 37
7 Troubleshooting and Maintenance ...................................... Page 37
7.1 Common Errors and Settlement ................................................................... 37
7.1.1 Problems during Paper Loading ............................................................. 37
7.1.2 Problems during Printing ........................................................................ 38
7.1.3 Problems during Paper Out .................................................................... 38
7.1.4 Other Problems....................................................................................... 39
Appendix Self-test Page........................................................ Page 40